| /* Copyright (c) 2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _CAM_SENSOR_I2C_H_ |
| #define _CAM_SENSOR_I2C_H_ |
| |
| #include <linux/delay.h> |
| #include <media/v4l2-subdev.h> |
| #include <media/cam_sensor.h> |
| #include <media/cam_sensor.h> |
| #include "cam_cci_dev.h" |
| #include "cam_sensor_io.h" |
| |
| #define I2C_POLL_TIME_MS 5 |
| #define MAX_POLL_DELAY_MS 100 |
| |
| #define I2C_COMPARE_MATCH 0 |
| #define I2C_COMPARE_MISMATCH 1 |
| |
| #define I2C_REG_DATA_MAX (8*1024) |
| |
| /** |
| * @client: CCI client structure |
| * @data: I2C data |
| * @addr_type: I2c address type |
| * @data_type: I2C data type |
| * |
| * This API handles CCI read |
| */ |
| int32_t cam_cci_i2c_read(struct cam_sensor_cci_client *client, |
| uint32_t addr, uint32_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| enum camera_sensor_i2c_type data_type); |
| |
| /** |
| * @client: CCI client structure |
| * @addr: I2c address |
| * @data: I2C data |
| * @addr_type: I2c address type |
| * @num_byte: number of bytes |
| * |
| * This API handles CCI sequential read |
| */ |
| int32_t cam_camera_cci_i2c_read_seq(struct cam_sensor_cci_client *client, |
| uint32_t addr, uint8_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| uint32_t num_byte); |
| |
| /** |
| * @client: CCI client structure |
| * @write_setting: I2C register setting |
| * |
| * This API handles CCI random write |
| */ |
| int32_t cam_cci_i2c_write_table( |
| struct camera_io_master *client, |
| struct cam_sensor_i2c_reg_setting *write_setting); |
| |
| /** |
| * @client: CCI client structure |
| * @write_setting: I2C register setting |
| * @cam_sensor_i2c_write_flag: burst or seq write |
| * |
| * This API handles CCI continuous write |
| */ |
| int32_t cam_cci_i2c_write_continuous_table( |
| struct camera_io_master *client, |
| struct cam_sensor_i2c_reg_setting *write_setting, |
| uint8_t cam_sensor_i2c_write_flag); |
| |
| /** |
| * @cci_client: CCI client structure |
| * @cci_cmd: CCI command type |
| * |
| * Does I2C call to I2C functionalities |
| */ |
| int32_t cam_sensor_cci_i2c_util(struct cam_sensor_cci_client *cci_client, |
| uint16_t cci_cmd); |
| |
| /** |
| * @client: CCI client structure |
| * @addr: I2C address |
| * @data: I2C data |
| * @data_mask: I2C data mask |
| * @data_type: I2C data type |
| * @addr_type: I2C addr type |
| * @delay_ms: Delay in milli seconds |
| * |
| * This API implements CCI based I2C poll |
| */ |
| int32_t cam_cci_i2c_poll(struct cam_sensor_cci_client *client, |
| uint32_t addr, uint16_t data, uint16_t data_mask, |
| enum camera_sensor_i2c_type data_type, |
| enum camera_sensor_i2c_type addr_type, |
| uint32_t delay_ms); |
| |
| |
| /** |
| * cam_qup_i2c_read : QUP based i2c read |
| * @client : QUP I2C client structure |
| * @data : I2C data |
| * @addr_type : I2c address type |
| * @data_type : I2C data type |
| * |
| * This API handles QUP I2C read |
| */ |
| |
| int32_t cam_qup_i2c_read(struct i2c_client *client, |
| uint32_t addr, uint32_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| enum camera_sensor_i2c_type data_type); |
| |
| /** |
| * cam_qup_i2c_read_seq : QUP based I2C sequential read |
| * @client : QUP I2C client structure |
| * @data : I2C data |
| * @addr_type : I2c address type |
| * @num_bytes : number of bytes to read |
| * This API handles QUP I2C Sequential read |
| */ |
| |
| int32_t cam_qup_i2c_read_seq(struct i2c_client *client, |
| uint32_t addr, uint8_t *data, |
| enum camera_sensor_i2c_type addr_type, |
| uint32_t num_byte); |
| |
| /** |
| * cam_qup_i2c_poll : QUP based I2C poll operation |
| * @client : QUP I2C client structure |
| * @addr : I2C address |
| * @data : I2C data |
| * @data_mask : I2C data mask |
| * @data_type : I2C data type |
| * @addr_type : I2C addr type |
| * @delay_ms : Delay in milli seconds |
| * |
| * This API implements QUP based I2C poll |
| */ |
| |
| int32_t cam_qup_i2c_poll(struct i2c_client *client, |
| uint32_t addr, uint16_t data, uint16_t data_mask, |
| enum camera_sensor_i2c_type addr_type, |
| enum camera_sensor_i2c_type data_type, |
| uint32_t delay_ms); |
| |
| /** |
| * cam_qup_i2c_write_table : QUP based I2C write random |
| * @client : QUP I2C client structure |
| * @write_setting : I2C register settings |
| * |
| * This API handles QUP I2C random write |
| */ |
| |
| int32_t cam_qup_i2c_write_table( |
| struct camera_io_master *client, |
| struct cam_sensor_i2c_reg_setting *write_setting); |
| #endif /*_CAM_SENSOR_I2C_H*/ |